1 Institute of Biomedical Sciences of Abel Salazar, University of Porto, Porto, Portugal.
2 Institute of Public Health - ISPUP, University of Porto, Porto, Portugal.
3 Centre for the Research and Technology of Agro-environmental and Biological Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal.
4 Centre of Studies in Animal Science (CECA-ICETA), University of Porto, Porto, Portugal.
5 Institute of Veterinary Pathology, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland.
6 School of Veterinary Science, University of Queensland, Brisbane, Queensland, Australia.
7 Red Oncologica Craba, Ciudad de Mexico, Mexico.
8 Sociedad Latinoamericana de Oncologia Veterinaria, SLOVET.
9 World Animal Protection (Africa), Nairobi, Kenya.
10 Institute of Animal Health and Food Safety, University of Las Palmas de Gran Canaria, Las Palmas, Spain.
11 SAVSNET, University of Liverpool, Liverpool, UK.
12 Texas A&M University, College Station, Texas.
13 School of Veterinary Medicine and Animal Sciences, University of São Paulo, São Paulo, Brazil.
14 Associação Brasileira de Oncologia Veterinária, ABROVET.